from fractions import gcd
from collections import Counter, deque, defaultdict
from heapq import heappush, heappop, heappushpop, heapify, heapreplace, merge
from bisect import bisect_left, bisect_right, bisect, insort_left, insort_right, insort
from itertools import accumulate, product, permutations, combinations

def main():
    X = int(input())

    if X <= 599:
        print('8')
    elif X <= 799:
        print('7')
    elif X <= 999:
        print('6')
    elif X <= 1199:
        print('5')
    elif X <= 1399:
        print('4')
    elif X <= 1599:
        print('3')
    elif X <= 1799:
        print('2')
    else:
        print('1')

if __name__ == '__main__':
    main() from fractions import gcd from collections import Counter, deque, defaultdict from heapq import heappush, heappop, heappushpop, heapify, heapreplace, merge from bisect import bisect_left, bisect_right, bisect, insort_left, insort_right, insort from itertools import accumulate, product, permutations, combinations def main():
    X = int(input())

    if X <= 599:
        print('8')
    elif X <= 799:
        print('7')
    elif X <= 999:
        print('6')
    elif X <= 1199:
        print('5')
    elif X <= 1399:
        print('4')
    elif X <= 1599:
        print('3')
    elif X <= 1799:
        print('2')
    else:
        print('1') main X = int(input()) X int(input()) int input() input if X <= 599:
        print('8')
    elif X <= 799:
        print('7')
    elif X <= 999:
        print('6')
    elif X <= 1199:
        print('5')
    elif X <= 1399:
        print('4')
    elif X <= 1599:
        print('3')
    elif X <= 1799:
        print('2')
    else:
        print('1') X <= 599 X 599 print('8') print '8' elif X <= 799:
        print('7')
     X <= 799 X 799 print('7') print '7' elif X <= 999:
        print('6')
     X <= 999 X 999 print('6') print '6' elif X <= 1199:
        print('5')
     X <= 1199 X 1199 print('5') print '5' elif X <= 1399:
        print('4')
     X <= 1399 X 1399 print('4') print '4' elif X <= 1599:
        print('3')
     X <= 1599 X 1599 print('3') print '3' elif X <= 1799:
        print('2')
     X <= 1799 X 1799 print('2') print '2' print('1') print '1' if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main def main():
    X = int(input())

    if X <= 599:
        print('8')
    elif X <= 799:
        print('7')
    elif X <= 999:
        print('6')
    elif X <= 1199:
        print('5')
    elif X <= 1399:
        print('4')
    elif X <= 1599:
        print('3')
    elif X <= 1799:
        print('2')
    else:
        print('1') def main():
    X = int(input())

    if X <= 599:
        print('8')
    elif X <= 799:
        print('7')
    elif X <= 999:
        print('6')
    elif X <= 1199:
        print('5')
    elif X <= 1399:
        print('4')
    elif X <= 1599:
        print('3')
    elif X <= 1799:
        print('2')
    else:
        print('1') main
from fractions import gcd
from collections import Counter, deque, defaultdict
from heapq import heappush, heappop, heappushpop, heapify, heapreplace, merge
from bisect import bisect_left, bisect_right, bisect, insort_left, insort_right, insort
from itertools import accumulate, product, permutations, combinations

def main():
    X = int(input())

    if X <= 599:
        print('8')
    elif X <= 799:
        print('7')
    elif X <= 999:
        print('6')
    elif X <= 1199:
        print('5')
    elif X <= 1399:
        print('4')
    elif X <= 1599:
        print('3')
    elif X <= 1799:
        print('2')
    else:
        print('1')

if __name__ == '__main__':
    main()